Location: We operate a flexible, hybrid working environment with the candidate required to travel to either our Winchester or London office once or twice a week.

We offer

* Up to £80K

* 10% bonus

* 6% pension contribution

* Private Medical

* 25 days annual leave

Purpose

We’re looking for a hands-on Principal Data Engineer to lead the design and development of scalable, secure cloud-based data platforms and pipelines that power enterprise analytics, reporting, and real-time decision-making.

This is a strategic and technical leadership role, ideal for someone with deep expertise in AWS, Databricks, Apache Spark, and Python/SQL, who can mentor teams, influence architecture, and deliver end-to-end data solutions across a modern tech stack.

Accountabilities

* Design and deliver enterprise-scale data architectures on AWS using services like S3, EMR, Glue, Redshift, Lambda, and IAM.

* Build and manage robust ETL/ELT pipelines supporting both batch and real-time data ingestion and transformation.

* Deploy and optimise Apache Spark jobs, leveraging Databricks and Delta Lake for distributed data processing.

* Lead the implementation of unified analytics workflows, integrating Databricks with the wider AWS environment.

* Write clean, efficient, and reusable code in Python, building production-ready data transformation scripts.

* Develop complex SQL queries across multiple RDBMS a...